diff --git a/src/main/java/net/frozenorb/apiv3/model/User.java b/src/main/java/net/frozenorb/apiv3/model/User.java
index b59e876..27db18e 100644
--- a/src/main/java/net/frozenorb/apiv3/model/User.java
+++ b/src/main/java/net/frozenorb/apiv3/model/User.java
@@ -410,7 +410,7 @@ public final class User {
             return;
         }
 
-        if (ip == null || !IpUtils.isValidIp(ip)) {
+        if (!IpUtils.isValidIp(ip)) {
             callback.onResult(RequiresTotpResult.REQUIRED_NO_EXEMPTIONS, null);
             return;
         }
diff --git a/src/main/java/net/frozenorb/apiv3/route/users/GETUsersIdRequiresTotp.java b/src/main/java/net/frozenorb/apiv3/route/users/GETUsersIdRequiresTotp.java
index 61df223..c4e9c41 100644
--- a/src/main/java/net/frozenorb/apiv3/route/users/GETUsersIdRequiresTotp.java
+++ b/src/main/java/net/frozenorb/apiv3/route/users/GETUsersIdRequiresTotp.java
@@ -25,7 +25,7 @@ public final class GETUsersIdRequiresTotp implements Handler<RoutingContext> {
 
             String userIp = ctx.request().getParam("userIp");
 
-            if (userIp != null && IpUtils.isValidIp(userIp)) {
+            if (IpUtils.isValidIp(userIp)) {
                 ErrorUtils.respondInvalidInput(ctx, "Ip address \"" + userIp + "\" is not valid.");
                 return;
             }
diff --git a/src/main/java/net/frozenorb/apiv3/util/TotpUtils.java b/src/main/java/net/frozenorb/apiv3/util/TotpUtils.java
index 77e94cb..3e1f7fe 100644
--- a/src/main/java/net/frozenorb/apiv3/util/TotpUtils.java
+++ b/src/main/java/net/frozenorb/apiv3/util/TotpUtils.java
@@ -26,7 +26,7 @@ public class TotpUtils {
     }
 
     public static void isPreAuthorized(User user, String ip, SingleResultCallback<Boolean> callback) {
-        if (ip == null || !IpUtils.isValidIp(ip)) {
+        if (!IpUtils.isValidIp(ip)) {
             callback.onResult(false, null);
             return;
         }
@@ -41,7 +41,7 @@ public class TotpUtils {
     }
 
     public static void markPreAuthorized(User user, String ip, long duration, TimeUnit unit, SingleResultCallback<Void> callback) {
-        if (ip == null || !IpUtils.isValidIp(ip)) {
+        if (!IpUtils.isValidIp(ip)) {
             callback.onResult(null, null);
             return;
         }